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HOMESERVICE MANUALSNISSAN-DATSUN2024FRONTIER SL, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM (DTC/CIRCUIT DIAGNOSIS) (4 OF 6)DTC/CIRCUIT DIAGNOSISDTC P0506: ISC SYSTEMDTC CONFIRMATION PROCEDURE
2024 Nissan-Datsun Frontier SL, RWD

DTC Confirmation Procedure

2024 Nissan-Datsun Frontier SL, RWDSECTION DTC Confirmation Procedure
  1. CHECK DTC PRIORITY 

    If DTC P0506 is displayed with other DTC, first perform the confirmation procedure (trouble diagnosis) for other DTC.

    Is applicable DTC detected?

    >>

    Perform diagnosis of applicable. Refer to DTC Index .

    >>

    GO TO 2.

  2. PRECONDITIONING 

    If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    If the idle speed is out of the specified value, perform Description , before conducting DTC Confirmation Procedure. TESTING CONDITION:

    • Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
    • Always perform the test at a temperature above -10°C (14°F).

    >>

    GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Start engine and warm it up to normal operating temperature.
    2. Turn ignition switch OFF and wait at least 10 seconds.
    3. Turn ignition switch ON.
    4. Turn ignition switch OFF and wait at least 10 seconds.
    5. Restart engine and run it for at least 1 minute at idle speed.
    6. Check 1st trip DTC.

    Is DTC P0506 detected?

    >>

    Proceed to Diagnosis Procedure .

    >>

    To check malfunction symptom before repair: Refer to Intermittent Incident .

    >>

    Confirmation after repair: INSPECTION END

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.